[Bug breakpoints/28018] internal-error: Assertion 'TYPE_LENGTH(index_type) > 0' failed in create_range_type

["vsfos at foxmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=28018

--- Comment #4 from SimonQian <vsfos at foxmail dot com> ---
(In reply to Simon Marchi from comment #1)
> Hi,
> 
> Would you be able to share the program you are debugging, or some other
> reproducer?
> 
> Simon

I prepared a qemu to reproduce the problem, which use mps2 as target device.
The vscode workspace is at:
https://github.com/vsfteam/vsf/tree/master/example/template/project/cmake/mps2


the gdb output log:
Please check OUTPUT tab (Adapter Output) for output from qemu-system-arm
Launching server: "qemu-system-arm" "-cpu" "cortex-m7" "-machine" "mps2-an500"
"-nographic" "-semihosting-config" "enable=on,target=native" "-gdb"
"tcp::50000" "-S" "-kernel"
"Z:\vsf\example\template\project\cmake\mps2\build\vsf_template.elf"
Launching GDB: "arm-none-eabi-gdb.exe" "-q" "--interpreter=mi2"
Reading symbols from
Z:\vsf\example\template\project\cmake\mps2\build\vsf_template.elf...
Reset_Handler () at
Z:/vsf/source/hal/driver/arm/mps2/CMSDK_CM7/startup_ARMCM7.c:191
191     {
Not implemented stop reason (assuming exception): undefined
/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/src/gdb/gdb/gdbtypes.c:931:
internal-error: type* create_range_type(type*, type*, const dynamic_prop*,
const dynamic_prop*, LONGEST): Assertion `TYPE_LENGTH (index_type) > 0' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.

Quit this debugging session? 
(y or n) [answered Y; input not from terminal]

This is a bug, please report it.
  For instructions, see:
<https://www.gnu.org/software/gdb/bugs/>.

/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/src/gdb/gdb/gdbtypes.c:931:
internal-error: type* create_range_type(type*, type*, const dynamic_prop*,
const dynamic_prop*, LONGEST): Assertion `TYPE_LENGTH (index_type) > 0' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.

Create a core file of GDB? 
(y or n) [answered Y; input not from terminal]



And it seems to relate to some compiler options. I will do more test.

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